Full combat alert was ordered. Yatseniuk said: "This is not a threat. This is actually the declaration of war to my country."

"If President Putin wants to be the president who started the war between two neighboring and friendly countries, between Ukraine and Russia...he has reached this target within a few inches. We are on the brink of disaster."

"We strongly support the the deployment of Russian troops to resolve the situation in Crimea as well as provide assistance to other Ukrainian regions, where the population rejects nationalism and asks (Moscow) for help and protection," he stressed.

Right Sector officials are the worst of a bad lot of rogue elements running things in Ukraine.